May 8, 2015

by Patrick Cobb

A family of chollas watches the sunset near Oatman.

May 7, 2015

by Jenohn Wrieden

A coyote eyes the photographer at South Mountain Park in Phoenix.

May 6, 2015

by Valerie Millett

Black-and-White Wednesday: Water cascades over the Grand Canyon’s Havasu Falls under starry skies.

May 5, 2015

by Gianna Torres

A small cactus grows from a boulder in the Prescott National Forest’s Allen Canyon.

May 4, 2015

by Dave Stoker

Rain clouds blanket Weavers Needle in the Superstition Wilderness.

May 3, 2015

by James C. Rorabaugh

Placid pools of water form in Big Casa Blanca Canyon in the Santa Rita Mountains.

May 2, 2015

by Christopher Jones

A swallowtail butterfly searches for nectar in the foothills of Tucson.

May 1, 2015

by Erick Hernandez

A deserted road stretches toward San Tan Mountain Regional Park.